codec.h

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#ifndef __CODEC_H__
#define __CODEC_H__
 
#include <stdint.h>
 
/* vendors of codecs*/
#define CODEC_VENDOR_VMWARE    0x15AD   /*vmware: emulates RealTek ALC885 codec*/
#define CODEC_VENDOR_SIGMATEL  0x8384   /*sigmatel */
 
/* vendors of devices */
#define CODEC_DEVICE_VMWARE    0x1975   /*vmware: emulates RealTek ALC885 codec */
#define CODEC_DEVICE_SIGMATEL  0x7680
 
 
extern uint32_t HDACodecQuery(int codec, int nid, uint32_t payload);
/*
* HDACodecEnumerateWidgets -- enumerate every widgets
*/
extern int HDACodecEnumerateWidgets(int codec);
 
/*
* hda_get_supported_stream_format -- returns the supported
* stream format
* @param codec -- codec id
* @param nid -- node id
*/
extern uint32_t HDAGetSupportedStreamFormat(int codec, int nid);
 
/*
* HDAGetPCMRates -- collects supported PCM Size / rates
* @param codec -- destination codec
* @param nid -- desired node id
*/
extern uint32_t HDAGetPCMRates(int codec, int nid);
 
/*
* HDACodecInitOutputConv -- initialise output converter
* @param codec -- codec id
* @param nid -- node id
* @param deinit -- if true, initialise or else stop the
* converter
*/
void HDACodecInitOutputConv(int codec, int nid, bool deinit);
 
#endif